发明名称 TUBE CONNECTION
摘要 The invention relates to a tube connection comprising a tappet element (2) that is provided with a conical outside thread section that is arranged between an outer shoulder and a front face (10) of the tappet, a thread-free section that is arranged between the outer shoulder and the outside thread section and a thread-free section that is arranged between the outside threa d section and the front face of the tappet and a sleeve (1) that can be screwe d with the tappet element (2). Said sleeve is provided with a conical inside thread section between the inner shoulder (3) and a front face (4) of the sleeve and a thread-free section between the outer shoulder (9) and the insi de thread section and a thread-free section that is arranged between inside thread section and the front face of the sleeve.
申请公布号 CA2389216(C) 申请公布日期 2007.01.30
申请号 CA20002389216 申请日期 2000.10.10
申请人 VALLOUREC MANNESMANN OIL & GAS GERMANY GMBH 发明人 LENZE, FRIEDRICH;KRUG, GERHARD;QUADFLIEG, ERICH
分类号 E21B17/042;F16L15/04;F16L15/06 主分类号 E21B17/042
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